[clang] [clang][MBD] set up module build daemon infrastructure (PR #67562)

[Michael Spencer via cfe-commits]

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@@ -0,0 +1,18 @@
+// Check that clang invocation can spawn and handshake with module build daemon
+
+// REQUIRES: !system-windows
+
+//  RUN: if pgrep -f "cc1modbuildd mbd-handshake"; then pkill -f "cc1modbuildd mbd-handshake"; fi
+//  RUN: rm -rf mbd-handshake %t
+//  RUN: split-file %s %t
+
+//--- main.c
+int main() {return 0;}
+
+// RUN: %clang -fmodule-build-daemon=mbd-handshake %t/main.c > output
+// RUN: cat output | FileCheck %s
+
+// CHECK: Completed successfull handshake with module build daemon
+
+// RUN: if pgrep -f "cc1modbuildd mbd-handshake"; then pkill -f "cc1modbuildd mbd-handshake"; fi
+// RUN: rm -rf mbd-handshake %t
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Bigcheese wrote:

Don't delete the temp dir at the end.

https://github.com/llvm/llvm-project/pull/67562